The AD Scientific Index (Alper-Doger Scientific Index) provides the most comprehensive analysis across 13 main fields and 211 sub-branches at global, national, and regional levels. These analyses are based on indicators such as the H-index, i10-index, and citation count, including their values from the last 5 years. As of Jan 05, 2026, the rankings are determined according to the Total H Index. BETA VERSION: The subject field rankings for the world, regions, countries, and universities are currently in their Beta phase. This is due to the exclusion of (1.131.911) scientists categorized under ‘Others’, whose profiles have yet to be determined, edited, or classified. As updates are made to these fields, the rankings will be adjusted accordingly. Note: Please keep this in mind while reviewing the rankings. For further details, explore our [University Subject Rankings].
Rankings
Climate Change | Livestock Systems | Pastoralis
H-Index Metrics
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H-Index34
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i10 Index65
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Citation Counts10,339
Rankings
Sustainable agriculture | rural development | climate change | animal nutrition | feed resource
H-Index Metrics
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H-Index33
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i10 Index72
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Citation Counts4,062
Rankings
land and water management | Irrigation | Climate Change Resilience | sustainable agriculture | food and nutrition securit
H-Index Metrics
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H-Index33
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i10 Index56
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Citation Counts6,061
Rankings
Aquatic Ecology | Biodiversity | Fisheries | Biogeochemistry | Water Resources Managemen
H-Index Metrics
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H-Index32
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i10 Index62
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Citation Counts3,246
Rankings
Ticks | parasites | live vaccines | zoonotic tick-borne viruses | climate change and disease pattern
H-Index Metrics
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H-Index26
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i10 Index45
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Citation Counts1,540
Rankings
Irrigation | Drainage | Water Systems | Project Managemen
H-Index Metrics
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H-Index25
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i10 Index38
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Citation Counts5,022
Rankings
Climate change | gender | global value chains | transdisciplinary researc
H-Index Metrics
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H-Index22
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i10 Index32
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Citation Counts2,866
Rankings
nutrient circularity | climate change | greenhouse gases | livestock systems | Afric
H-Index Metrics
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H-Index20
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i10 Index29
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Citation Counts1,776
Rankings
Water Resources Engineering | Irrigation Water Managemen
H-Index Metrics
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H-Index20
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i10 Index29
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Citation Counts1,853
Rankings
GIS | Remote sensing | Species distribution modelling | Climate change | Agricultur
H-Index Metrics
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H-Index19
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i10 Index25
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Citation Counts1,585
Rankings
Rankings
Water Resources Engineering | Hydrology | Drought and floods modellin
H-Index Metrics
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H-Index19
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i10 Index24
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Citation Counts929
Rankings
Rankings
Environmental Engineering | water resources management | municipal solid waste management | Renewable Energy Technology | Sustainable Development Goals Implementatio
H-Index Metrics
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H-Index17
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i10 Index21
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Citation Counts1,609
Rankings
Water Resource Management | Ecosystem | Hydrology | watersheds management | GIS and Remote Sensin
H-Index Metrics
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H-Index17
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i10 Index25
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Citation Counts977
Rankings
Rankings
Climate Science: Processes | Modeling | Prediction and Change Scenario Socio-economic Impact
H-Index Metrics
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H-Index15
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i10 Index21
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Citation Counts1,938
Rankings
Climate change and Adaptation | Gender and Developmen
H-Index Metrics
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H-Index15
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i10 Index23
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Citation Counts1,195
Rankings
Applied climatology | Physical Geography | Climate Chang
H-Index Metrics
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H-Index14
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i10 Index17
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Citation Counts777
Rankings
Biological water and wastewater Treatment | Bio-energy recovery | Application of nanoparticles | Environmental conservation and sustainability | Climate change and adaptatio
H-Index Metrics
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H-Index14
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i10 Index15
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Citation Counts718
Rankings
Climate change | agricultural productivity | polic
H-Index Metrics
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H-Index14
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i10 Index20
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Citation Counts1,168
Rankings
Nematology | Soil Health | Ecology | Crop protection | Biotechnolog
H-Index Metrics
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H-Index14
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i10 Index16
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Citation Counts643
Rankings
spermatogenesis and environmental studie
H-Index Metrics
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H-Index14
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i10 Index16
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Citation Counts618
Rankings
Terrestrial ecology | biodiversity | remote sensing and GIS | Environmental statistics
H-Index Metrics
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H-Index14
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i10 Index18
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Citation Counts843
Rankings
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